1980-10-01

Evaluation of Piston Cleanliness of High-Quality Diesel Engine Oils in the MWM-B Test Method CEC L-12-A-76 801344

European Diesel engine design, test facilities and test costs has created the necessity for test procedures designed to evaluate the performance of engine lubricants in European engine test laboratories. This situation may be compared with the application of Caterpillar engine test procedures in the U.S.A.
In this discussion the MWM-B, CEC L-12-A-76 procedure, is reviewed under the following headings:
  • Outline of test method
  • Discrimination between reference and European commercial oils
  • Correlation with field service requirements of production multi-cylinder Diesel engines
Application of the MWM-B procedure and comparison of results obtained with singlegrade and multigrade Diesel engine oils.

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